src/os2/filedlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/os2/filedlg.cpp
   3 // Purpose:     wxFileDialog
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/05/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_FILEDLG
  20
  21 #include "wx/filedlg.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/utils.h"
  25     #include "wx/msgdlg.h"
  26     #include "wx/filename.h"
  27     #include "wx/intl.h"
  28     #include "wx/log.h"
  29     #include "wx/app.h"
  30     #include "wx/math.h"
  31 #endif
  32
  33 #define INCL_PM
  34 #include <os2.h>
  35
  36 #include "wx/os2/private.h"
  37
  38 #include <stdlib.h>
  39 #include <string.h>
  40
  41 #include "wx/tokenzr.h"
  42
  43 #define wxMAXPATH                    1024
  44 #define wxMAXFILE                    1024
  45 #define wxMAXEXT                        5
  46
  47 #ifndef MAXPATH
  48 # define MAXPATH                      400
  49 #endif
  50
  51 #ifndef MAXDRIVE
  52 # define MAXDRIVE                       3
  53 #endif
  54
  55 #ifndef MAXFILE
  56 # define MAXFILE                        9
  57 #endif
  58
  59 #ifndef MAXEXT
  60 # define MAXEXT                         5
  61 #endif
  62
  63 IMPLEMENT_CLASS(wxFileDialog, wxFileDialogBase)
  64
  65 // ----------------------------------------------------------------------------
  66 // CLASS wxFileDialog
  67 // ----------------------------------------------------------------------------
  68
  69 wxFileDialog::wxFileDialog (
  70   wxWindow*                         pParent
  71 , const wxString&                   rsMessage
  72 , const wxString&                   rsDefaultDir
  73 , const wxString&                   rsDefaultFileName
  74 , const wxString&                   rsWildCard
  75 , long                              lStyle
  76 , const wxPoint&                    rPos,
  77   const wxSize& sz,
  78   const wxString& name
  79 )
  80     :wxFileDialogBase(pParent, rsMessage, rsDefaultDir, rsDefaultFileName, rsWildCard, lStyle, rPos, sz, name)
  81
  82 {
  83     // NB: all style checks are done by wxFileDialogBase::Create
  84
  85     m_filterIndex = 1;
  86 } // end of wxFileDialog::wxFileDialog
  87
  88 void wxFileDialog::GetPaths (
  89   wxArrayString&                    rasPaths
  90 ) const
  91 {
  92     wxString                        sDir(m_dir);
  93     size_t                          nCount = m_fileNames.GetCount();
  94
  95     rasPaths.Empty();
  96     if (m_dir.Last() != _T('\\'))
  97         sDir += _T('\\');
  98
  99     for ( size_t n = 0; n < nCount; n++ )
 100     {
 101         rasPaths.Add(sDir + m_fileNames[n]);
 102     }
 103 } // end of wxFileDialog::GetPaths
 104
 105 int wxFileDialog::ShowModal()
 106 {
 107     wxString                        sTheFilter;
 108     wxString                        sFilterBuffer;
 109     wxChar*                         pzFilterBuffer;
 110     static wxChar                   zFileNameBuffer[wxMAXPATH];           // the file-name
 111     HWND                            hWnd = 0;
 112     wxChar                          zTitleBuffer[wxMAXFILE + 1 + wxMAXEXT];  // the file-name, without path
 113     wxString                        sDir;
 114     size_t                          i;
 115     size_t                          nLen = m_dir.length();
 116     int                             nCount = 0;
 117     FILEDLG                         vFileDlg;
 118     ULONG                           lFlags = 0L;
 119
 120     memset(&vFileDlg, '\0', sizeof(FILEDLG));
 121     if (m_parent)
 122         hWnd = (HWND) m_parent->GetHWND();
 123     if (!hWnd && wxTheApp->GetTopWindow())
 124         hWnd = (HWND) wxTheApp->GetTopWindow()->GetHWND();
 125
 126
 127     *zFileNameBuffer = wxT('\0');
 128     *zTitleBuffer    = wxT('\0');
 129
 130     if (m_windowStyle & wxFD_SAVE)
 131         lFlags = FDS_SAVEAS_DIALOG;
 132     else
 133         lFlags = FDS_OPEN_DIALOG;
 134
 135     if (m_windowStyle & wxFD_SAVE)
 136         lFlags |= FDS_SAVEAS_DIALOG;
 137     if (m_windowStyle & wxFD_MULTIPLE)
 138         lFlags |= FDS_OPEN_DIALOG | FDS_MULTIPLESEL;
 139
 140     vFileDlg.cbSize = sizeof(FILEDLG);
 141     vFileDlg.fl = lFlags;
 142     vFileDlg.pszTitle = (PSZ)zTitleBuffer;
 143
 144     //
 145     // Convert forward slashes to backslashes (file selector doesn't like
 146     // forward slashes) and also squeeze multiple consecutive slashes into one
 147     // as it doesn't like two backslashes in a row neither
 148     //
 149     sDir.reserve(nLen);
 150     for ( i = 0; i < nLen; i++ )
 151     {
 152         wxChar                      ch = m_dir[i];
 153
 154         switch (ch)
 155         {
 156             case _T('/'):
 157                 //
 158                 // Convert to backslash
 159                 //
 160                 ch = _T('\\');
 161
 162                 //
 163                 // Fall through
 164                 //
 165             case _T('\\'):
 166                 while (i < nLen - 1)
 167                 {
 168                     wxChar          chNext = m_dir[i + 1];
 169
 170                     if (chNext != _T('\\') && chNext != _T('/'))
 171                         break;
 172
 173                     //
 174                     // Ignore the next one, unless it is at the start of a UNC path
 175                     //
 176                     if (i > 0)
 177                         i++;
 178                     else
 179                         break;
 180                 }
 181
 182                 //
 183                 // Fall through
 184                 //
 185
 186             default:
 187                 //
 188                 // Normal char
 189                 sDir += ch;
 190         }
 191     }
 192     if ( wxStrlen(m_wildCard) == 0 )
 193         sTheFilter = wxEmptyString;
 194     else
 195         sTheFilter = m_wildCard;
 196
 197     wxStrtok(sTheFilter.wchar_str(), wxT("|"), &pzFilterBuffer);
 198     while(pzFilterBuffer != NULL)
 199     {
 200         if (nCount > 0 && !(nCount % 2))
 201             sDir += wxT(";");
 202         if (nCount % 2)
 203         {
 204             sDir += pzFilterBuffer;
 205         }
 206         wxStrtok(NULL, wxT("|"), &pzFilterBuffer);
 207         nCount++;
 208     }
 209     if (nCount == 0)
 210         sDir += m_fileName;
 211     if (sDir.empty())
 212         sDir = wxT("*.*");
 213     wxStrcpy((wxChar*)vFileDlg.szFullFile, sDir);
 214     sFilterBuffer = sDir;
 215
 216     hWnd = ::WinFileDlg( HWND_DESKTOP
 217                         ,GetHwndOf(m_parent)
 218                         ,&vFileDlg
 219                        );
 220     if (hWnd && vFileDlg.lReturn == DID_OK)
 221     {
 222         m_fileNames.Empty();
 223         if ((m_windowStyle & wxFD_MULTIPLE ) && vFileDlg.ulFQFCount > 1)
 224         {
 225             for (int i = 0; i < (int)vFileDlg.ulFQFCount; i++)
 226             {
 227                 if (i == 0)
 228                 {
 229                     m_dir = wxPathOnly(wxString((const wxChar*)*vFileDlg.papszFQFilename[0]));
 230                     m_path = (const wxChar*)*vFileDlg.papszFQFilename[0];
 231                 }
 232                 m_fileName = wxFileNameFromPath(wxString((const wxChar*)*vFileDlg.papszFQFilename[i]));
 233                 m_fileNames.Add(m_fileName);
 234             }
 235             ::WinFreeFileDlgList(vFileDlg.papszFQFilename);
 236         }
 237         else if (!(m_windowStyle & wxFD_SAVE))
 238         {
 239             m_path = (wxChar*)vFileDlg.szFullFile;
 240             m_fileName = wxFileNameFromPath(wxString((const wxChar*)vFileDlg.szFullFile));
 241             m_dir = wxPathOnly((const wxChar*)vFileDlg.szFullFile);
 242         }
 243         else // save file
 244         {
 245             const wxChar*           pzExtension = NULL;
 246
 247             wxStrcpy(zFileNameBuffer, (const wxChar*)vFileDlg.szFullFile);
 248
 249             int                     nIdx = wxStrlen(zFileNameBuffer) - 1;
 250             wxString                sExt;
 251
 252             wxFileName::SplitPath( zFileNameBuffer
 253                                     ,&m_path
 254                                     ,&m_fileName
 255                                     ,&sExt
 256                                   );
 257             if (zFileNameBuffer[nIdx] == wxT('.') || sExt.empty())
 258             {
 259                 zFileNameBuffer[nIdx] = wxT('\0');
 260
 261                 //
 262                 // User has typed a filename without an extension:
 263                 //
 264                 // A filename can end in a "." here ("abc."), this means it
 265                 // does not have an extension. Because later on a "." with
 266                 // the default extension is appended we remove the "." if
 267                 // filename ends with one (We don't want files called
 268                 // "abc..ext")
 269                 //
 270                 pzExtension = sFilterBuffer.c_str();
 271
 272                 for( int i = 0; i < (int)sFilterBuffer.length(); i++ )
 273                 {
 274                     //
 275                     // Get extension
 276                     //
 277                     pzExtension = wxStrrchr(pzExtension, wxT('.'));
 278                     if ( pzExtension                      &&
 279                         !wxStrrchr(pzExtension, wxT('*')) &&
 280                         !wxStrrchr(pzExtension, wxT('?')) &&
 281                         pzExtension[1]                    &&
 282                         pzExtension[1] != wxT(' ')
 283                        )              // != "blabla. "
 284                     {
 285                         //
 286                         // Now concat extension to the fileName:
 287                         //
 288                         m_path = wxString(zFileNameBuffer) + pzExtension;
 289                     }
 290                 }
 291             }
 292             else
 293             {
 294                 m_path = (wxChar*)vFileDlg.szFullFile;
 295             }
 296             m_fileName = wxFileNameFromPath((const wxChar*)vFileDlg.szFullFile);
 297             m_dir = wxPathOnly((const wxChar*)vFileDlg.szFullFile);
 298
 299             //
 300             // === Simulating the wxFD_OVERWRITE_PROMPT >>============================
 301             //
 302             if ((m_windowStyle & wxFD_OVERWRITE_PROMPT) &&
 303                 (m_windowStyle & wxFD_SAVE) &&
 304                 (wxFileExists(m_path.c_str())))
 305             {
 306                 wxString            sMessageText;
 307
 308                 sMessageText.Printf( _("File '%s' already exists.\nDo you want to replace it?")
 309                                     ,m_path.c_str()
 310                                    );
 311                 if (wxMessageBox( sMessageText
 312                                  ,wxT("Save File As")
 313                                  ,wxYES_NO | wxICON_EXCLAMATION
 314                                 ) != wxYES)
 315                 {
 316                     return wxID_CANCEL;
 317                 }
 318             }
 319         }
 320         return wxID_OK;
 321     }
 322     return wxID_CANCEL;
 323 } // end of wxFileDialog::ShowModal
 324
 325 #endif // wxUSE_FILEDLG